diff --git a/optuna_dashboard/cli.py b/optuna_dashboard/cli.py
index 40d4ec67..ae4b91b5 100644
--- a/optuna_dashboard/cli.py
+++ b/optuna_dashboard/cli.py
@@ -2,7 +2,9 @@ import argparse
 import os
 
 from bottle import run
+from optuna.storages import BaseStorage
 from optuna.storages import RDBStorage
+from optuna.storages import RedisStorage
 
 from .app import create_app
 from .version import __version__
@@ -24,7 +26,12 @@ def main() -> None:
     parser.add_argument("--quiet", "-q", help="quiet", action="store_true")
     args = parser.parse_args()
 
-    storage = RDBStorage(args.storage)
+    storage: BaseStorage
+    if args.storage.startswith("redis"):
+        storage = RedisStorage(args.storage)
+    else:
+        storage = RDBStorage(args.storage)
+
     app = create_app(storage)
     run(app, host=args.host, port=args.port, quiet=args.quiet, reloader=AUTO_RELOAD)
 
diff --git a/visual_regression_test.py b/visual_regression_test.py
index be7463c7..63632925 100644
--- a/visual_regression_test.py
+++ b/visual_regression_test.py
@@ -164,11 +164,15 @@ async def take_screenshots(storage: optuna.storages.BaseStorage) -> None:
 
 def main() -> None:
     os.makedirs(args.output_dir, exist_ok=True)
+
     storage: optuna.storages.BaseStorage
-    if args.storage:
-        storage = optuna.storages.RDBStorage(args.storage)
-    else:
+    if not args.storage:
         storage = create_dummy_storage()
+    elif args.storage.startswith("redis"):
+        storage = optuna.storages.RedisStorage(args.storage)
+    else:
+        storage = optuna.storages.RDBStorage(args.storage)
+
     app = create_app(storage)
     httpd = make_server(args.host, args.port, app)
     thread = threading.Thread(target=httpd.serve_forever)